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From Davi Arnaut <d...@haxent.com.br>
Subject Re: SIGSEGV on x86_64 (2.2.0)
Date Sun, 09 Apr 2006 16:57:27 GMT
On Sat, 08 Apr 2006 23:29:19 +0200
Ruediger Pluem <rpluem@apache.org> wrote:

> 
> 
> On 04/08/2006 10:52 PM, Davi Arnaut wrote:
> 
> > Program received signal SIGSEGV, Segmentation fault.
> > [Switching to Thread 46912499703168 (LWP 619)]
> > 0x0000003703470004 in strncmp () from /lib64/tls/libc.so.6
> > (gdb) bt
> > #0  0x0000003703470004 in strncmp () from /lib64/tls/libc.so.6
> > #1  0x00000000004421a5 in uri_meets_conditions (filter=
> >       {scheme = 0x0, hostinfo = 0x0, user = 0x0, password = 0x0, hostname = 0x0,
port_str = 0x0, path = 0x651800 "/", query = 0x0, fragment = 0x0, hostent = 0x0, port = 0,
is_initialized = 1, dns_looked_up = 0, dns_resolved = 0}, pathlen=1, url=
> >             {scheme = 0x6c2800 "http", hostinfo = 0x6c2808 "login.yahoo.com", user
= 0x0, password = 0x0, hostname = 0x6c2818 "login.yahoo.com", port_str = 0x0, path = 0x0,
query = 0x0, fragment = 0x0, hostent = 0x0, port = 0, is_initialized = 1, dns_looked_up =
0, dns_resolved = 0})
> 
> Very strange that path is NULL. Could you please deliver the contents of
> r->the_request and r->parsed_uri?
> 


davi@karmic:~$ nc localhost 80
GET http://www.foobar.bar HTTP/1.0

Breakpoint 1, ap_cache_get_providers (r=0x81d6878, conf=0x8177fc8, uri=
      {scheme = 0x81d76f8 "http", hostinfo = 0x81d7700 "www.foobar.bar", user = 0x0, password
= 0x0, hostname = 0x81d7710 "www.foobar.bar", port_str = 0x0, path = 0x0, query = 0x0, fragment
= 0x0, hostent = 0x0, port = 0, is_initialized = 1, dns_looked_up = 0, dns_resolved = 0})
at cache_util.c:82
82          for (i = 0; i < conf->cacheenable->nelts; i++) {
(gdb) print r->unparsed_uri
$1 = 0x81d76e0 "http://www.foobar.bar"
(gdb) print r->parsed_uri
$2 = {scheme = 0x81d76f8 "http", hostinfo = 0x81d7700 "www.foobar.bar", user = 0x0, password
= 0x0, hostname = 0x81d7710 "www.foobar.bar", port_str = 0x0,
  path = 0x0, query = 0x0, fragment = 0x0, hostent = 0x0, port = 0, is_initialized = 1, dns_looked_up
= 0, dns_resolved = 0}
(gdb) print r->the_request
$3 = 0x81d7670 "GET http://www.foobar.bar HTTP/1.0"

...

(gdb) n
85              if (uri_meets_conditions(ent[i].url, ent[i].pathlen, uri)) {
(gdb) s
uri_meets_conditions (filter=
      {scheme = 0x0, hostinfo = 0x0, user = 0x0, password = 0x0, hostname = 0x0, port_str
= 0x0, path = 0x816a750 "/", query = 0x0, fragment = 0x0, hostent = 0x0, port = 0, is_initialized
= 1, dns_looked_up = 0, dns_resolved = 0}, pathlen=1, url=
      {scheme = 0x81d76f8 "http", hostinfo = 0x81d7700 "www.foobar.bar", user = 0x0, password
= 0x0, hostname = 0x81d7710 "www.foobar.bar", port_str = 0x0, path = 0x0, query = 0x0, fragment
= 0x0, hostent = 0x0, port = 0, is_initialized = 1, dns_looked_up = 0, dns_resolved = 0})
at cache_util.c:33
33          if(filter.hostname) {
(gdb) n
43          if(filter.scheme) {
(gdb) n
53          if(filter.port_str) {
(gdb) n
62          else if(url.port_str && filter.scheme) {
(gdb) n
71          return !strncmp(filter.path, url.path, pathlen);
(gdb) print url.path
$4 = 0x0
(gdb) n
Program received signal SIGSEGV, Segmentation fault.
0x00337224 in strncmp () from /lib/tls/libc.so.6
(gdb) quit

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